<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <input type="text" oninput="newshijian()">
</body>

</html>
<script>
    function dayin() {
        console.log('输入发生改变，发送网络请求！！！！');
    }
    function bibao(a, b) {
        let timeid = null
        return function () {
            if (timeid) {
                clearInterval(timeid);
            }
            timeid = setInterval(() => {
                a()
            }, b)

        }

    }
    var newshijian = bibao(dayin, 100)
</script>